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New Hampshire’s Mount Washington garnered international attention when an Arctic air mass gripped the Northeast over Feb. 3-4. Plymouth State’s proximity to the mountain and longstanding ties with its renowned observatory are assets that no other meteorology program can claim.

The big chill hit the record books as one of the coldest air masses ever to hit New Hampshire since observation began in 1870.

“What was highly unusual was the cold combined with the wind,” said Professor Eric Kelsey...